*{
	margin: 0;
	padding: 0;
	user-select: none;
}
#app{
	position: fixed;
	width: 100%;
	height: 100%;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
}
#center{
	position: relative;
}
#center>div{
	position: absolute;
}
.box{
	position: relative;
	width: 60px;
	height: 30px;
}
.box>div{
	position: absolute;
	word-break: keep-all;
	width: 100%;
	text-align: center;
	line-height: 30px;
	height: 30px;
}
#year{
	word-break: keep-all;
	width: 60px;
	height: 30px;
	text-align: center;
	line-height: 30px;
}